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Stackable NWay Ethernet Switch User’s Guide
132 Web-Based Network Management
probe, to view details about the packets passing through the first
port.
To configure a mirror port, select the Switch , Slot , and source Port
from where you want to copy frames in the Source section. Next,
select the
Switch
,
Slot
and target
Port
which will receive the
copies from the source port in the Destination section. This is the
port where you will connect a monitoring/troubleshooting device such
as a sniffer or an RMON probe. To complete the port mirroring,
select
Enable
in the
Status
field and click
Apply
.
Note: You should not mirror a fast port onto a slower port. For
example, if you try to mirror the traffic from a 100
Mbps port onto a 10 Mbps port, this can cause
throughput problems. The port you are copying frames
from should always support an equal or lower speed
than the port to which you are sending the copies. Also,
the target port for the mirroring cannot be a member of
a trunk group.
Spanning Tree Protocol
The Switch supports 801.2d Spanning Tree Protocol, which allows
you to create alternative paths (with multiple switches or other types
of bridges) in your network. See the Spanning Tree Algorithm section
of the “Switch Management Concepts” chapter for a detailed
explanation.